[1] Coutts S, Cuomo K, McHarg J et al. Distributed coherent aperture measurements for next generation BMD radar[C]. //Fourth IEEE Workshop on Sensor Array and Multichannel Processing, 2006, July 12-14, 2006, Waltham, MA, USA., 390-393(2006).

[3] Zhang Y T, Huang Z Z. A new system radar: distributed aperture coherence-synthesizing radar[J]. Fire Control Radar Technology, 43, 43-47(2014).

[4] Gao H W, Cao Z, Wen S L et al. Study on distributed aperture coherence-synthesizing radar with several experiment results[C]. //Proceedings of 2011 IEEE CIE International Conference on Radar, October 24-27, 2011, Chengdu, China., 84-86(2011).

[5] Cao Z, Chai Z H, Gao H W et al. Technology and tests on distributed aperture coherence-synthesizing radar[J]. Modern Defence Technology, 40, 1-11(2012).

[6] Lu Y B, Gao H W, Zhou B L. Distributed aperture coherence-synthetic radar technology[J]. Journal of Radars, 6, 55-64(2017).

[7] Zhou B L, Zhou D M, Gao H W et al. Research on the distributed aperture coherence-synthetic radar system design and experiment[J]. Modern Defence Technology, 46, 112-119(2018).

[8] Zeng T, Yin P L, Liu Q H. Wideband distributed coherent aperture radar based on stepped frequency signal: theory and experimental results[J]. IET Radar, Sonar & Navigation, 10, 672-688(2016).

[9] Vankka J, Halonen K. Direct digital synthesizer[M]. //The springer international series in engineering and computer science, 614, 8-17(2001).

[10] Robertson D A, Cassidy S L, Bolton D R. Nonlinearity and phase noise effects in 340 GHz 3D imaging radar[J]. Proceedings of SPIE, 8715, 87150M(2013).

[11] Jiang Z. Towards a TWSTFT network time transfer[J]. Metrologia, 45, S6-S11(2008).

[12] Bauch A, Achkar J, Bize S et al. Comparison between frequency standards in Europe and the USA at the 10 -15 uncertainty level[J]. Metrologia, 43, 109-120(2006).

[13] Yao J P. Microwave photonics[J]. Journal of Lightwave Technology, 27, 314-335(2009).

[14] Khilo A, Spector S J, Grein M E et al. Photonic ADC: overcoming the bottleneck of electronic jitter[J]. Optics Express, 20, 4454-4469(2012).

[15] Walden R H. Analog-to-digital conversion in the early twenty-first century[J]. Wiley Encyclopedia of Computer Science and Engineering, ecse014(2008).

[16] Ridgway R W, Dohrman C L, Conway J A. Microwave photonics programs at DARPA[J]. Journal of Lightwave Technology, 32, 3428-3439(2014).

[17] Sliwczynski L, Krehlik P. Multipoint joint time and frequency dissemination in delay-stabilized fiber optic links[J]. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 62, 412-420(2015).

[18] Li Y H, Rashidinejad A, Wun J M et al. Photonic generation of W-band arbitrary waveforms with high time-bandwidth products enabling 3.9 mm range resolution[J]. Optica, 1, 446-454(2014).

[19] Rashidinejad A, Weiner A M. Photonic radio-frequency arbitrary waveform generation with maximal time-bandwidth product capability[J]. Journal of Lightwave Technology, 32, 3383-3393(2014).

[20] Zhang F Z, Guo Q S, Wang Z Q et al. Photonics-based broadband radar for high-resolution and real-time inverse synthetic aperture imaging[J]. Optics Express, 25, 16274-16281(2017).

[21] Yao Y, Zhang F Z, Zhang Y et al. Demonstration of ultra-high-resolution photonics-based Kaband inverse synthetic aperture radar imaging[C]. //2018 Optical Fiber Communications Conference and Exposition (OFC), March 11-15, 2018, San Diego, CA, USA., 1-3(2018).

[22] Simpson T B, Liu J M, Huang K F et al. Nonlinear dynamics induced by external optical injection in semiconductor lasers[J]. Quantum and Semiclassical Optics: Journal of the European Optical Society Part B, 9, 765-784(1997).

[23] Zhou P, Zhang F Z, Guo Q S et al. Reconfigurable radar waveform generation based on an optically injected semiconductor laser[J]. IEEE Journal of Selected Topics in Quantum Electronics, 23, 1-9(2017).

[24] Zhang B W, Zhu D, Zhou P et al. Tunable triangular frequency modulated microwave waveform generation with improved linearity using an optically injected semiconductor laser[J]. Applied Optics, 58, 5479-5485(2019).

[25] Kanno A, Kawanishi T. Broadband frequency-modulated continuous-wave signal generation by optical modulation technique[J]. Journal of Lightwave Technology, 32, 3566-3572(2014).

[26] Guo Q S, Zhang F Z, Zhou P et al. Dual-band LFM signal generation by optical frequency quadrupling and polarization multiplexing[J]. IEEE Photonics Technology Letters, 29, 1320-1323(2017).

[27] Liao J X, Chen B Y, Li S Y et al. Novel photonic radio-frequency arbitrary waveform generation based on photonic digital-to-analog conversion with pulse carving[C]. //2015 Conference on Lasers and Electro-Optics (CLEO), May 10-15, 2015, San Jose, CA, USA., 1-2(2015).

[28] Xiao X D, Li S Y, Peng S W et al. Photonics-based wideband distributed coherent aperture radar system[J]. Optics Express, 26, 33783-33796(2018).

[29] Chou J, Conway J A, Sefler G A et al. Photonic bandwidth compression front end for digital oscilloscopes[J]. Journal of Lightwave Technology, 27, 5073-5077(2009).

[30] Wong J H, Lam H Q, Li R M et al. Photonic time-stretched analog-to-digital converter amenable to continuous-time operation based on polarization modulation with balanced detection scheme[J]. Journal of Lightwave Technology, 29, 3099-3106(2011).

[31] Wang W S, Davis R L, Jung T J et al. Characterization of a coherent optical RF channelizer based on a diffraction grating[J]. IEEE Transactions on Microwave Theory and Techniques, 49, 1996-2001(2001).

[32] Xie X X, Dai Y T, Xu K et al. Broadband photonic RF channelization based on coherent optical frequency combs and I/Q demodulators[J]. IEEE Photonics Journal, 4, 1196-1202(2012).

[33] Li T. Research on wideband acquisition and processing for digital electronic reconnaissance receiver[D](2018).

[34] Guo Q. Research on optical signal processing for analog-to-information conversion[D](2018).

[35] Li P. Realization and research of photonic-assisted compressive sampling systems[D](2017).

[36] Peng S W, Li S Y, Xue X X et al. High-resolution W-band ISAR imaging system utilizing a logic-operation-based photonic digital-to-analog converter[J]. Optics Express, 26, 1978-1987(2018).

[37] Li R M, Li W Z, Ding M L et al. Demonstration of a microwave photonic synthetic aperture radar based on photonic-assisted signal generation and stretch processing[J]. Optics Express, 25, 14334-14340(2017).

[38] Ye X W, Zhang F Z, Yang Y et al. Photonics-based radar with balanced I/Q de-chirping for interference-suppressed high-resolution detection and imaging[J]. Photonics Research, 7, 265-272(2019).

[39] Han G Y, Li S Y, Xue X X et al. Photonic fractional Fourier transformer for chirp radar with ghost target elimination[J]. Optics Letters, 45, 4228-4231(2020).

[40] Wei K K. Research on generation of microwave signal and bias control technology based on external modulator[D](2019).

[41] Lopez O, Amy-Klein A, Lours M et al. High-resolution microwave frequency dissemination on an 86-km urban optical link[J]. Applied Physics B, 98, 723-727(2010).

[42] Zhang A X, Dai Y T, Yin F F et al. Phase stabilized downlink transmission for wideband radio frequency signal via optical fiber link[J]. Optics Express, 22, 21560-21566(2014).

[43] Ning B, Hou D, Zheng T L et al. Hybrid analog-digital fiber-based radio-frequency signal distribution[J]. IEEE Photonics Technology Letters, 25, 1551-1554(2013).

[44] Shen J G, Wu G L, Hu L et al. Active phase drift cancellation for optic-fiber frequency transfer using a photonic radio-frequency phase shifter[J]. Optics Letters, 39, 2346-2349(2014).

[45] Wang X C. The research on the time and frequency signal transmission via optical fiber with high stability[D](2019).

[46] Li D, Hou D, Hu E et al. Phase conjugation frequency dissemination based on harmonics of optical comb at 10 -17 instability level[J]. Optics Letters, 39, 5058-5061(2014).

[47] Li W, Wang W T, Sun W H et al. Stable radio-frequency phase distribution over optical fiber by phase-drift auto-cancellation[J]. Optics Letters, 39, 4294-4296(2014).

[48] Yin F F, Zhang A X, Dai Y T et al. Phase-conjugation-based fast RF phase stabilization for fiber delivery[J]. Optics Express, 22, 878-884(2014).

[49] Smotlacha V, Kuna A, Mache W. Time transfer using fiber links[C]. //EFTF-2010 24th European Frequency and Time Forum, April 13-16, 2010, Noordwijk, Netherlands., 1-8(2010).

[50] Yin F F, Wu Z L, Dai Y T et al. Stable fiber-optic time transfer by active radio frequency phase locking[J]. Optics Letters, 39, 3054-3057(2014).

[51] Wu G L, Hu L, Zhang H et al. High-precision two-way optic-fiber time transfer using an improved time code[J]. Review of Scientific Instruments, 85, 114701(2014).

[52] Abuduweili A, Chen X, Shang J M et al. Sub-picosecond resolution time-offset measurement over fiber link with asynchronous optical sampling[C]. // CLEO: Science and Innovations 2018, May 13-18, 2018, San Jose, California, SM1L-2(2018).

[53] Wang H J, Xue X X, Li S Y et al. All-optical arbitrary-point stable quadruple frequency dissemination with photonic microwave phase conjugation[J]. IEEE Photonics Journal, 10, 1-8(2018).

[54] Wang H J, Li S Y, Xue X X et al. High-precision fiber-optic two-way time transfer network with time-frequency transform measurement[J]. Optics Communications, 477, 126342(2020).

[55] Wang H J. Research on microwave photonic time frequency synchronization technologies with applications in distributed coherent radar[D](2020).

[56] Xiao X D, Li S Y, Xue X X et al. Photonics-assisted broadband distributed coherent aperture radar for high-precision imaging of dim-small targets[J]. IEEE Photonics Journal, 11, 1-9(2019).

[57] Wang H J, Li S Y, Xue X X et al. Distributed coherent microwave photonic radar with a high-precision fiber-optic time and frequency network[J]. Optics Express, 28, 31241-31252(2020).